@article{Słowik:2009,
author
=
"G.Słowik and A.Więckowski",
title
=
"Microwave saturation of EPR spectra of vitrinite",
journal
=
"Molecular Physics Reports",
volume
=
"Vol. 34",
number
=
"no 2",
pages
=
"146--149",
year
=
"2001",
}